Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin

The high-yield industrial gas from Sichuan Basin’s Wujiaping (P3w) shale reveals a new unconventional exploration play. Due to the strong heterogeneity of shale gas, its enrichment and exploration potential remain unclear. Geochemical and other experiments conducted on this layer have shown that: (1) The third member of the P3w (P3w3) shale has optimal quality, with large thickness and wide distribution. The average TOC value is 6.09%, and the organic matter type is II1~II2. (2) Shale gas in the P3w is supplied by organic-rich shale; enrichment is promoted by siliceous/clay shale interbedding, with storage in organic matter pores and fractures. (3) Comparative analyses with the Wufeng–Longmaxi shales (O3w-S1l) show that P3w3 is the layer with the greatest potential for shale gas exploration.

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Publication Details

Journal
Energies
Published
2025-08-25
DOI
https://doi.org/10.3390/en18174506
Citations
1
Primary Topic
Hydrocarbon exploration and reservoir analysis
Type
article
Field-Weighted Citation Impact
0.86

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article

Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin

Benjian Zhang, Lurui Dang, Lexin Yuan, Jungang Lu et al.
1 citations
Energies
Hydrocarbon exploration and reservoir analysis
0.86
article

Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin

Benjian Zhang, Lurui Dang, Lexin Yuan, Jungang Lu, Chang Xu, Haofei Sun, Xiaohong Chen, Long Wen, Ming Ying, Hualing Ma, Liang Xu, Jirong Xie
article en
1 citations

Abstract

The high-yield industrial gas from Sichuan Basin’s Wujiaping (P3w) shale reveals a new unconventional exploration play. Due to the strong heterogeneity of shale gas, its enrichment and exploration potential remain unclear. Geochemical and other experiments conducted on this layer have shown that: (1) The third member of the P3w (P3w3) shale has optimal quality, with large thickness and wide distribution. The average TOC value is 6.09%, and the organic matter type is II1~II2. (2) Shale gas in the P3w is supplied by organic-rich shale; enrichment is promoted by siliceous/clay shale interbedding, with storage in organic matter pores and fractures. (3) Comparative analyses with the Wufeng–Longmaxi shales (O3w-S1l) show that P3w3 is the layer with the greatest potential for shale gas exploration.

EnergiesVol. 18(17)
Southwest Petroleum University (CN), State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (CN), Research Institute of Petroleum Exploration and Development (CN), Exploration and Development Research Institute of PetroChina Southwest Oil & Gas Field Company (China), PetroChina Southwest Oil and Gas Field Company (China)
National Natural Science Foundation of China
Openalex Percentile: Top 26%
Hydrocarbon exploration and reservoir analysis
0.86
DOIOpen Access PDFOpenAlex
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Enrichment and Exploration Potential of Shale Gas in the Permian Wujiaping Formation, Northeastern Sichuan Basin — Benjian Zhang, Lurui Dang, et al. · Energies (2025) | TGRS Research Map | TGRS